"Immortal Clay" is the sixteenth episode of the second series of the 1960s cult British spy-fi television series The Avengers, starring Patrick Macnee and Honor Blackman. It was first broadcast in the Teledu Cymru region of the ITV network on Friday 11 January 1963. ABC Weekend TV, who produced the show for ITV, broadcast it the next day in its own regions. The episode was directed by Richmond Harding and written by James Mitchell.
Contents
Plot
A company invents an unbreakable ceramic, the secret of which others try to steal. Following the death of an industrial spy in a vat of liquid clay, Steed and Cathy mount an undercover investigation.
Cast
Patrick Macnee as John Steed
Honor Blackman as Cathy Gale
Paul Eddington as Richard Marling
James Bree as Miller
Bert Palmer as Josh Machen
Gary Watson as Allen Marling
Steve Plytas as De Groot
Rowena Gregory as Anne
Didi Sullivan as Mara Little
Douglas Muir as One Ten
Frank Olegario as Blomberg